内蒙古草原放牧恢复过程地衣生物量分布及其影响因素的研究

应用生态学报 ›› 2004, Vol. ›› Issue (7): 1294-1296.

内蒙古草原放牧恢复过程地衣生物量分布及其影响因素的研究

刘忠宽^1,2, 汪诗平², 韩建国¹, 王艳芬², 陈佐忠²

1. 中国农业大学草地研究所, 北京 100094;
2. 中国科学院植物研究所植被数量生态学重点实验室, 北京 100093

收稿日期:2003-04-18 修回日期:2004-03-11 出版日期:2004-07-15
通讯作者: 汪诗平,E-mail:shiping.wang@95777.com
基金资助:
国家自然科学基金重大项目(90211017);中国科学院知识创新工程重要方向资助项目(KSCX2SW107)

Distribution of lichens biomass and its affecting factors during restoration process of Inner Mongolia steppe

LIU Zhongkuan^1,2, WANG Shiping², HAN Jianguo¹, WANG Yanfen², CHEN Zuozhong²

1. Institute of Grassland Science, China Agricultural University, Beijing 100094, China;
2. Laboratory of Quantitative Vegetation Ecology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

Received:2003-04-18 Revised:2004-03-11 Online:2004-07-15

摘要/Abstract

Abstract: An experiment was installed in the typical steppe area of Central Inner Mongolia to study the distribution characteristics of lichen biomass in the restoration process.The experimental areas were continuously grazed for ten years (1989 to 1998) under different stocking rate,and stopped grazing since 1999.Two years (2001 to 2002) monitoring on the distribution of lichen biomass and its affecting factors showed that no significant difference was found between different stocking rate treatments (P<0.05).There existed positive correlations between lichen biomass and plant species diversity and between soil water content and soil organic matter content (P<0.05),and negative correlations between lichen biomass and soil bulk density,and between Gramineae plant functional group and plant community coverage and biomass (P<0.05).

Key words: Lichen biomass, Stocking rate, Plant community, Soil properties

中图分类号:

S812.35

刘忠宽, 汪诗平, 韩建国, 王艳芬, 陈佐忠. 内蒙古草原放牧恢复过程地衣生物量分布及其影响因素的研究[J]. 应用生态学报, 2004, (7): 1294-1296.

LIU Zhongkuan, WANG Shiping, HAN Jianguo, WANG Yanfen, CHEN Zuozhong. Distribution of lichens biomass and its affecting factors during restoration process of Inner Mongolia steppe[J]. Chinese Journal of Applied Ecology, 2004, (7): 1294-1296.

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